2427869 has 2 divisors, whose sum is σ = 2427870. Its totient is φ = 2427868.

The previous prime is 2427863. The next prime is 2427883. The reversal of 2427869 is 9687242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 504100 = 1387^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427869 - 2⁸ = 2427613 is a prime.

It is a super-2 number, since 2×2427869² = 11789095762322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213934 + 1213935.

It is an arithmetic number, because the mean of its divisors is an integer number (1213935).

2^2427869 is an apocalyptic number.

It is an amenable number.

2427869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427869 is an equidigital number, since it uses as much as digits as its factorization.

2427869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 2427869 is about 1558.1620583238. The cubic root of 2427869 is about 134.4028310120.

The spelling of 2427869 in words is "two million, four hundred twenty-seven thousand, eight hundred sixty-nine".